Powder spray gun



FIG. 1 is a front and side perspective view of the powder spray gun of this invention;

FIG. 2 is a side elevational view of the powder spray gun of FIG. 1 taken from the right hand side thereof. The view from the left hand side is the same;

FIG. 3 is a top plan view of the powder spray gun of FIG. 1;

FIG. 4 is a bottom plan view of the powder spray gun of FIG. 1;

FIG. 5 is a rear elevational view of the powder spray gun of FIG. 1; and,

FIG. 6 is a front elevational view of the powder spray gun of FIG. 1. 

The ornamental design for a "powder spray gun," as shown and described. 